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cb95e7bf7b
linux/fs/btrfs
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Mark Fasheh cb95e7bf7b btrfs: add "no file data" flag to btrfs send ioctl 
This patch adds the flag, BTRFS_SEND_FLAG_NO_FILE_DATA to the btrfs send
ioctl code. When this flag is set, the btrfs send code will never write file
data into the stream (thus also avoiding expensive reads of that data in the
first place). BTRFS_SEND_C_UPDATE_EXTENT commands will be sent (instead of
BTRFS_SEND_C_WRITE) with an offset, length pair indicating the extent in
question.

This patch does not affect the operation of BTRFS_SEND_C_CLONE commands -
they will continue to be sent when a search finds an appropriate extent to
clone from.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-02-20 12:59:39 -05:00
..
acl.c Btrfs: skip adding an acl attribute if we don't have to 2012-12-16 20:46:15 -05:00
async-thread.c Btrfs: call the ordered free operation without any locks held 2012-07-25 16:15:07 -04:00
async-thread.h
backref.c Btrfs: merge inode_list in __merge_refs 2012-12-12 17:15:27 -05:00
backref.h Btrfs: move fs/btrfs/ioctl.h to include/uapi/linux/btrfs.h 2013-02-20 09:37:28 -05:00
btrfs_inode.h Btrfs: use the inode own lock to protect its delalloc_bytes 2013-02-20 12:59:06 -05:00
check-integrity.c Btrfs: fix race in check-integrity caused by usage of bitfield 2012-12-16 20:46:13 -05:00
check-integrity.h
compat.h
compression.c Btrfs: handle errors from btrfs_map_bio() everywhere 2012-12-12 17:15:40 -05:00
compression.h
ctree.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
ctree.h btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
delayed-inode.c btrfs: remove unused "item" in btrfs_insert_delayed_item() 2013-02-20 12:59:23 -05:00
delayed-inode.h Btrfs: fix lots of orphan inodes when the space is not enough 2013-02-20 09:36:39 -05:00
delayed-ref.c Btrfs: make delayed ref lock logic more readable 2013-02-20 09:36:41 -05:00
delayed-ref.h Btrfs: make delayed ref lock logic more readable 2013-02-20 09:36:41 -05:00
dev-replace.c Btrfs: check the return value of btrfs_start_delalloc_inodes() 2013-02-20 09:37:21 -05:00
dev-replace.h Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
dir-item.c Btrfs: fix hash overflow handling 2012-12-17 14:48:21 -05:00
disk-io.c Btrfs: fix how we discard outstanding ordered extents on abort 2013-02-20 12:59:28 -05:00
disk-io.h Btrfs: cleanup for btrfs_btree_balance_dirty 2012-12-12 17:15:28 -05:00
export.c ->encode_fh() API change 2012-05-29 23:28:33 -04:00
export.h
extent_io.c Btrfs: use percpu counter for dirty metadata count 2013-02-20 12:59:04 -05:00
extent_io.h Btrfs: pass fs_info to btrfs_map_block() instead of mapping_tree 2012-12-12 17:15:34 -05:00
extent_map.c Btrfs: do not merge logged extents if we've removed them from the tree 2013-02-05 16:09:03 -05:00
extent_map.h Btrfs: do not allow logged extents to be merged or removed 2013-01-24 12:49:48 -05:00
extent-tree.c Btrfs: rework the overcommit logic to be based on the total size 2013-02-20 12:59:32 -05:00
file-item.c Btrfs: extend the checksum item as much as possible 2013-02-20 12:59:37 -05:00
file.c Btrfs: use bit operation for ->fs_state 2013-02-20 12:59:09 -05:00
free-space-cache.c Btrfs: fix panic when recovering tree log 2013-01-24 12:49:49 -05:00
free-space-cache.h
hash.h btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-item.c btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-map.c Btrfs: improve the noflush reservation 2012-12-11 13:31:31 -05:00
inode-map.h
inode.c Btrfs: handle errors in compression submission path 2013-02-20 12:59:33 -05:00
ioctl.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
Kconfig
locking.c Btrfs: save us a read_lock 2013-02-20 09:37:17 -05:00
locking.h
lzo.c
Makefile Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
math.h Btrfs: cleanup duplicated division functions 2012-12-11 13:31:30 -05:00
ordered-data.c Btrfs: don't traverse the ordered operation list repeatedly 2013-02-20 09:37:24 -05:00
ordered-data.h Btrfs: wait on ordered extents at the last possible moment 2013-02-20 09:37:04 -05:00
orphan.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
print-tree.c btrfs: add missing break in btrfs_print_leaf() 2013-02-20 12:59:20 -05:00
print-tree.h
qgroup.c Btrfs: move fs/btrfs/ioctl.h to include/uapi/linux/btrfs.h 2013-02-20 09:37:28 -05:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: introduce GET_READ_MIRRORS functionality for btrfs_map_block() 2012-12-12 17:15:43 -05:00
relocation.c Btrfs: use wrapper page_offset 2013-02-20 09:36:43 -05:00
root-tree.c Btrfs: rename root_times_lock to root_item_lock 2012-12-16 20:46:21 -05:00
scrub.c Btrfs: use bit operation for ->fs_state 2013-02-20 12:59:09 -05:00
send.c btrfs: add "no file data" flag to btrfs send ioctl 2013-02-20 12:59:39 -05:00
send.h btrfs: add "no file data" flag to btrfs send ioctl 2013-02-20 12:59:39 -05:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c btrfs: fix varargs in __btrfs_std_error 2013-02-20 12:59:22 -05:00
sysfs.c
transaction.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
transaction.h btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
tree-defrag.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
tree-log.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
tree-log.h
ulist.c Btrfs: make aux field of ulist 64 bit 2012-10-01 15:18:53 -04:00
ulist.h Btrfs: make aux field of ulist 64 bit 2012-10-01 15:18:53 -04:00
version.h
volumes.c btrfs: ensure we don't overrun devices_info[] in __btrfs_alloc_chunk 2013-02-20 12:59:26 -05:00
volumes.h Btrfs: move fs/btrfs/ioctl.h to include/uapi/linux/btrfs.h 2013-02-20 09:37:28 -05:00
xattr.c Btrfs: only log the inode item if we can get away with it 2012-12-16 20:46:21 -05:00
xattr.h
zlib.c btrfs: fix message printing 2012-10-09 09:19:57 -04:00